/* flex 横向 - 纵向 */
.center-center{
    display: flex;
    justify-content: center;
    align-items: center;
}
.start-center{
    display: flex;
    justify-content:flex-start;
    align-items: center;
}
.end-center{
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.center-start{
    display: flex;
    justify-content: center;
    align-items: flex-start;
}
.center-end{
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.mybutton1{
    width: 100px;
    height: 50px;
    background:linear-gradient(to right, #00BF87, #25F0A0);
    border-radius: 128px;
    text-align: center;
    line-height:50px;
    color: white;
    font-size: 16px;
}